"Create board" page

This commit is contained in:
Savetheinternet 2010-12-02 20:55:56 +11:00
parent 3679f2c78b
commit cb0912754f
4 changed files with 201 additions and 98 deletions

View File

@ -67,6 +67,9 @@
define('ERROR_INVALID', 'Invalid username and/or password.', true);
define('ERROR_INVALIDAFTER', 'Invalid username and/or password. Your user may have been deleted or changed.');
define('ERROR_MALFORMED','Invalid/malformed cookies.', true);
define('ERROR_MISSEDAFIELD', 'Your browser didn\'t submit an input when it should have.', true);
define('ERROR_REQUIRED', 'The %s field is required.', true);
define('ERROR_INVALIDFIELD', 'The %s field was invalid.', true);
// For resizing, max values
define('THUMB_WIDTH', 200, true);
@ -132,6 +135,10 @@
// The page that is first shown when a moderator logs in. Defaults to the dashboard.
define('MOD_DEFAULT', '/', true);
define('MOD_JANITOR', 0, true);
define('MOD_MOD', 1, true);
define('MOD_ADMIN', 2, true);
// A small file in the main directory indicating that the script has been ran and the board(s) have been generated.
// This keeps the script from querying the database and causing strain when not needed.
define('HAS_INSTALLED', '.installed', true);

View File

@ -1,8 +1,96 @@
<?php
<?php
// 'false' means that the user is not logged in as a moderator
$mod = false;
// Creates a small random string for validating moderators' cookies
function mkhash($length=12) {
// The method here isn't really important,
// but I think this generates a relatively
// unique string that looks cool.
// If you choose to change this, make sure it cannot include a ':' character.
return substr(base64_encode(sha1(rand() . time(), true)), 0, $length);
}
function login($username, $password, $makehash=true) {
global $sql, $mod;
// SHA1 password
if($makehash) {
$password = sha1($password);
}
$res = mysql_query(sprintf(
"SELECT `id`,`type` FROM `mods` WHERE `username` = '%s' AND `password` = '%s' LIMIT 1",
mysql_real_escape_string($username),
$password
), $sql) or error(mysql_error($sql));
if($user = mysql_fetch_array($res)) {
return $mod = Array(
'id' => $user['id'],
'type' => $user['type'],
'username' => $username,
'password' => $password,
'hash' => isset($_SESSION['mod']['hash']) ? $_SESSION['mod']['hash'] : mkhash()
);
} else return false;
}
function setCookies() {
global $mod;
if(!$mod) error('setCookies() was called for a non-moderator!');
// MOD_COOKIE contains username:hash
setcookie(MOD_COOKIE, $mod['username'] . ':' . $mod['hash'], time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true);
// Put $mod in the session
$_SESSION['mod'] = $mod;
// Lock sessions to IP addresses
if(MOD_LOCK_IP)
$_SESSION['mod']['ip'] = $_SERVER['REMOTE_ADDR'];
}
function destroyCookies() {
// Delete the cookies
setcookie(MOD_COOKIE, 'deleted', time()-COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true);
// Unset the session
unset($_SESSION['mod']);
}
if(isset($_COOKIE['mod']) && isset($_SESSION['mod']) && is_array($_SESSION['mod'])) {
// Should be username:session hash
$cookie = explode(':', $_COOKIE['mod']);
if(count($cookie) != 2) {
destroyCookies();
error(ERROR_MALFORMED);
}
// Validate session
if( $cookie[0] != $_SESSION['mod']['username'] ||
$cookie[1] != $_SESSION['mod']['hash']) {
// Malformed cookies
destroyCookies();
error(ERROR_MALFORMED);
}
// Open connection
sql_open();
// Check username/password
if(!login($_SESSION['mod']['username'], $_SESSION['mod']['password'], false)) {
destroyCookies();
error(ERROR_INVALIDAFTER);
}
}
// Generates a <ul> element with a list of linked
// boards and their subtitles.
function ulBoards() {
global $mod;
$body = '<ul>';
// List of boards
@ -14,12 +102,44 @@
sprintf(BOARD_PATH, $b['uri']) . FILE_INDEX .
'">' .
sprintf(BOARD_ABBREVIATION, $b['uri']) .
'</a>' .
(isset($b['subtitle']) ? ' - ' . $b['subtitle'] : '') .
'</a> - ' .
$b['title'] .
(isset($b['subtitle']) ? '<span class="unimportant"> — ' . $b['subtitle'] . '</span>' : '') .
'</li>';
}
if($mod['type'] == MOD_ADMIN) {
$body .= '<li style="margin-top:15px;"><a href="?/new"><strong>Create new board</strong></a></li>';
}
return $body . '</ul>';
}
function form_newBoard() {
return '<fieldset><legend>New board</legend>' .
'<form action="?/new" method="post">' .
'<table>' .
'<tr>' .
'<th><label for="board">URI:</label></th>' .
'<td><input type="text" name="uri" id="board" size="3" maxlength="8" />' .
' <span class="unimportant">(eg. "b"; "mu")</span>' .
'</tr>' .
'<tr>' .
'<th><label for="title">Title:</label></th>' .
'<td><input type="text" name="title" id="title" size="15" maxlength="20" />' .
' <span class="unimportant">(eg. "Random")</span>' .
'</tr>' .
'<tr>' .
'<th><label for="subtitle">Subtitle:</label></th>' .
'<td><input type="text" name="subtitle" id="subtitle" size="20" maxlength="40" />' .
' <span class="unimportant">(optional)</span>' .
'</tr>' .
'<tr>' .
'<td></td>' .
'<td><input name="new_board" type="submit" value="New Board" /></td>' .
'</tr>' .
'</table>' .
'</form>' .
'</fieldset>';
}
?>

View File

@ -21,91 +21,4 @@
$user = Array('valid' => true, 'appeared' => $_COOKIE[TIME_COOKIE]);
}
// 'false' means that the user is not logged in as a moderator
$mod = false;
// Creates a small random string for validating moderators' cookies
function mkhash($length=12) {
// The method here isn't really important,
// but I think this generates a relatively
// unique string that looks cool.
// If you choose to change this, make sure it cannot include a ':' character.
return substr(base64_encode(sha1(rand() . time(), true)), 0, $length);
}
function login($username, $password, $makehash=true) {
global $sql, $mod;
// SHA1 password
if($makehash) {
$password = sha1($password);
}
$res = mysql_query(sprintf(
"SELECT `id`,`type` FROM `mods` WHERE `username` = '%s' AND `password` = '%s' LIMIT 1",
mysql_real_escape_string($username),
$password
), $sql) or error(mysql_error($sql));
if($user = mysql_fetch_array($res)) {
return $mod = Array(
'id' => $user['id'],
'type' => $user['type'],
'username' => $username,
'password' => $password,
'hash' => mkhash()
);
} else return false;
}
function setCookies() {
global $mod;
if(!$mod) error('setCookies() was called for a non-moderator!');
// MOD_COOKIE contains username:hash
setcookie(MOD_COOKIE, $mod['username'] . ':' . $mod['hash'], time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true);
// Put $mod in the session
$_SESSION['mod'] = $mod;
// Lock sessions to IP addresses
if(MOD_LOCK_IP)
$_SESSION['mod']['ip'] = $_SERVER['REMOTE_ADDR'];
}
function destroyCookies() {
// Delete the cookies
setcookie(MOD_COOKIE, 'deleted', time()-COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true);
// Unset the session
unset($_SESSION['mod']);
}
if(isset($_COOKIE['mod']) && isset($_SESSION['mod']) && is_array($_SESSION['mod'])) {
// Should be username:session hash
$cookie = explode(':', $_COOKIE['mod']);
if(count($cookie) != 2) {
destroyCookies();
error(ERROR_MALFORMED);
}
// Validate session
if( $cookie[0] != $_SESSION['mod']['username'] ||
$cookie[1] != $_SESSION['mod']['hash']) {
// Malformed cookies
destroyCookies();
error(ERROR_MALFORMED);
}
// Open connection
sql_open();
// Check username/password
if(!login($_SESSION['mod']['username'], $_SESSION['mod']['password'], false)) {
destroyCookies();
error(ERROR_INVALIDAFTER);
}
$mod = $_SESSION['mod'];
}
?>

73
mod.php
View File

@ -38,27 +38,90 @@
loginForm();
}
} else {
$query = $_SERVER['QUERY_STRING'];
$query = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
$regex = Array(
'board' => str_replace('%s', '(\w{1,8})', preg_quote(BOARD_PATH, '/'))
);
if(preg_match('/^\/?$/', $query)) {
// Dashboard
// Body
$body = '';
$body .= '<fieldset><legend>Boards</legend>' .
ulBoards() .
'</fieldset>';
die(Element('page.html', Array(
// TODO: Statistics, etc, in the dashboard.
echo Element('page.html', Array(
'index'=>ROOT,
'title'=>'Dashboard',
'body'=>$body
)
));
);
} elseif(preg_match('/^\/new$/', $query)) {
// New board
$body = '';
if(isset($_POST['new_board'])) {
// Create new board
if( !isset($_POST['uri']) ||
!isset($_POST['title']) ||
!isset($_POST['subtitle'])
) error(ERROR_MISSEDAFIELD);
$b = Array(
'uri' => $_POST['uri'],
'title' => $_POST['title'],
'subtitle' => $_POST['subtitle']
);
// Check required fields
if(empty($b['uri']))
error(sprintf(ERROR_REQUIRED, 'URI'));
if(empty($b['title']))
error(sprintf(ERROR_REQUIRED, 'title'));
// Check string lengths
if(strlen($b['uri']) > 8)
error(sprintf(ERROR_TOOLONG, 'URI'));
if(strlen($b['title']) > 20)
error(sprintf(ERROR_TOOLONG, 'title'));
if(strlen($b['subtitle']) > 40)
error(sprintf(ERROR_TOOLONG, 'subtitle'));
if(!preg_match('/^\w+$/', $b['uri']))
error(sprintf(ERROR_INVALIDFIELD, 'URI'));
mysql_query(sprintf(
"INSERT INTO `boards` VALUES (NULL, '%s', '%s', " .
(empty($b['subtitle']) ? 'NULL' : "'%s'" ) .
")",
mysql_real_escape_string($b['uri']),
mysql_real_escape_string($b['title']),
mysql_real_escape_string($b['subtitle'])
), $sql) or error(mysql_error($sql));
// Open the board
openBoard($b['uri']) or error("Couldn't open board after creation.");
// Create the posts table
mysql_query(Element('posts.sql', Array('board' => $board['uri'])), $sql) or error(mysql_error($sql));
// Build the board
buildIndex();
}
$body .= form_newBoard();
// TODO: Statistics, etc, in the dashboard.
echo Element('page.html', Array(
'index'=>ROOT,
'title'=>'New board',
'body'=>$body
)
);
} elseif(preg_match('/^\/' . $regex['board'] . '(' . preg_quote(FILE_INDEX, '/') . ')?$/', $query, $matches)) {
// Board index